def test_get_build_info(fixture, expected_result):
elf_fixture_filename = os.path.join(ELF_FIXTURES_DIR, fixture)
with open_copy(elf_fixture_filename, mode="rb") as elf_copy_file:
b = BuildIdInspectorAndPatcher(elf_copy_file)
assert b.get_build_info() == expected_result
assert filecmp.cmp(elf_copy_file.name, elf_fixture_filename)
def test_no_build_id_on_dump():
elf_fixture_filename = os.path.join(
ELF_FIXTURES_DIR, "memfault_build_id_present_and_unpopulated.elf")
with pytest.raises(Exception, match="No Build ID Found"):
with open(elf_fixture_filename, "rb") as elf_fixture_file:
b = BuildIdInspectorAndPatcher(elf_fixture_file)
b.dump_build_info(num_chars=1)
def test_no_memfault_sdk_present():
elf_fixture_filename = os.path.join(ELF_FIXTURES_DIR,
"no_memfault_symbols.elf")
with pytest.raises(
Exception,
match=
"Could not locate 'g_memfault_build_id' symbol in provided ELF"):
b = BuildIdInspectorAndPatcher(elf_fixture_filename)
b.check_or_update_build_id()
def test_memfault_id_populated(capsys, snapshot):
elf_fixture_filename = os.path.join(
ELF_FIXTURES_DIR, "memfault_build_id_present_and_populated.elf")
with temporary_filename(elf_fixture_filename) as elf_copy_filename:
b = BuildIdInspectorAndPatcher(elf_copy_filename)
b.check_or_update_build_id()
assert filecmp.cmp(elf_copy_filename, elf_fixture_filename)
out, _ = capsys.readouterr()
lines = out.splitlines()
snapshot.assert_match(lines)
def test_gnu_build_id_in_use(capsys, snapshot):
elf_fixture_filename = os.path.join(ELF_FIXTURES_DIR,
"gnu_id_present_and_used.elf")
with open_copy(elf_fixture_filename, mode="rb") as elf_copy_file:
b = BuildIdInspectorAndPatcher(elf_copy_file)
b.check_or_update_build_id()
assert filecmp.cmp(elf_copy_file.name, elf_fixture_filename)
out, _ = capsys.readouterr()
lines = out.splitlines()
snapshot.assert_match(lines)
def test_build_id_dump(capsys, snapshot):
elf_fixture_filename = os.path.join(
ELF_FIXTURES_DIR, "memfault_build_id_present_and_populated.elf")
with open_copy(elf_fixture_filename, mode="rb") as elf_copy_file:
b = BuildIdInspectorAndPatcher(elf_copy_file)
b.dump_build_info(num_chars=1)
b.dump_build_info(num_chars=2)
b.dump_build_info(num_chars=30)
assert filecmp.cmp(elf_copy_file.name, elf_fixture_filename)
out, _ = capsys.readouterr()
lines = out.splitlines()
snapshot.assert_match(lines)